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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one or more<a name="line.2"></a>
<span class="sourceLineNo">003</span> * contributor license agreements.  See the NOTICE file distributed with<a name="line.3"></a>
<span class="sourceLineNo">004</span> * this work for additional information regarding copyright ownership.<a name="line.4"></a>
<span class="sourceLineNo">005</span> * The ASF licenses this file to You under the Apache License, Version 2.0<a name="line.5"></a>
<span class="sourceLineNo">006</span> * (the "License"); you may not use this file except in compliance with<a name="line.6"></a>
<span class="sourceLineNo">007</span> * the License.  You may obtain a copy of the License at<a name="line.7"></a>
<span class="sourceLineNo">008</span> *<a name="line.8"></a>
<span class="sourceLineNo">009</span> *      http://www.apache.org/licenses/LICENSE-2.0<a name="line.9"></a>
<span class="sourceLineNo">010</span> *<a name="line.10"></a>
<span class="sourceLineNo">011</span> * Unless required by applicable law or agreed to in writing, software<a name="line.11"></a>
<span class="sourceLineNo">012</span> * distributed under the License is distributed on an "AS IS" BASIS,<a name="line.12"></a>
<span class="sourceLineNo">013</span> * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.<a name="line.13"></a>
<span class="sourceLineNo">014</span> * See the License for the specific language governing permissions and<a name="line.14"></a>
<span class="sourceLineNo">015</span> * limitations under the License.<a name="line.15"></a>
<span class="sourceLineNo">016</span> */<a name="line.16"></a>
<span class="sourceLineNo">017</span>package org.apache.commons.pool2.impl;<a name="line.17"></a>
<span class="sourceLineNo">018</span><a name="line.18"></a>
<span class="sourceLineNo">019</span>import java.io.PrintWriter;<a name="line.19"></a>
<span class="sourceLineNo">020</span>import java.io.StringWriter;<a name="line.20"></a>
<span class="sourceLineNo">021</span>import java.io.Writer;<a name="line.21"></a>
<span class="sourceLineNo">022</span>import java.lang.management.ManagementFactory;<a name="line.22"></a>
<span class="sourceLineNo">023</span>import java.lang.ref.WeakReference;<a name="line.23"></a>
<span class="sourceLineNo">024</span>import java.lang.reflect.InvocationTargetException;<a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.time.Duration;<a name="line.25"></a>
<span class="sourceLineNo">026</span>import java.time.Instant;<a name="line.26"></a>
<span class="sourceLineNo">027</span>import java.util.ArrayList;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import java.util.Arrays;<a name="line.28"></a>
<span class="sourceLineNo">029</span>import java.util.Deque;<a name="line.29"></a>
<span class="sourceLineNo">030</span>import java.util.Iterator;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import java.util.List;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import java.util.Map;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import java.util.TimerTask;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import java.util.concurrent.ScheduledFuture;<a name="line.34"></a>
<span class="sourceLineNo">035</span>import java.util.concurrent.atomic.AtomicLong;<a name="line.35"></a>
<span class="sourceLineNo">036</span>import java.util.concurrent.atomic.AtomicReference;<a name="line.36"></a>
<span class="sourceLineNo">037</span>import java.util.stream.Collectors;<a name="line.37"></a>
<span class="sourceLineNo">038</span><a name="line.38"></a>
<span class="sourceLineNo">039</span>import javax.management.InstanceAlreadyExistsException;<a name="line.39"></a>
<span class="sourceLineNo">040</span>import javax.management.InstanceNotFoundException;<a name="line.40"></a>
<span class="sourceLineNo">041</span>import javax.management.MBeanRegistrationException;<a name="line.41"></a>
<span class="sourceLineNo">042</span>import javax.management.MBeanServer;<a name="line.42"></a>
<span class="sourceLineNo">043</span>import javax.management.MalformedObjectNameException;<a name="line.43"></a>
<span class="sourceLineNo">044</span>import javax.management.NotCompliantMBeanException;<a name="line.44"></a>
<span class="sourceLineNo">045</span>import javax.management.ObjectName;<a name="line.45"></a>
<span class="sourceLineNo">046</span><a name="line.46"></a>
<span class="sourceLineNo">047</span>import org.apache.commons.pool2.BaseObject;<a name="line.47"></a>
<span class="sourceLineNo">048</span>import org.apache.commons.pool2.PooledObject;<a name="line.48"></a>
<span class="sourceLineNo">049</span>import org.apache.commons.pool2.PooledObjectState;<a name="line.49"></a>
<span class="sourceLineNo">050</span>import org.apache.commons.pool2.SwallowedExceptionListener;<a name="line.50"></a>
<span class="sourceLineNo">051</span><a name="line.51"></a>
<span class="sourceLineNo">052</span>/**<a name="line.52"></a>
<span class="sourceLineNo">053</span> * Base class that provides common functionality for {@link GenericObjectPool}<a name="line.53"></a>
<span class="sourceLineNo">054</span> * and {@link GenericKeyedObjectPool}. The primary reason this class exists is<a name="line.54"></a>
<span class="sourceLineNo">055</span> * reduce code duplication between the two pool implementations.<a name="line.55"></a>
<span class="sourceLineNo">056</span> *<a name="line.56"></a>
<span class="sourceLineNo">057</span> * @param &lt;T&gt; Type of element pooled in this pool.<a name="line.57"></a>
<span class="sourceLineNo">058</span> *<a name="line.58"></a>
<span class="sourceLineNo">059</span> * This class is intended to be thread-safe.<a name="line.59"></a>
<span class="sourceLineNo">060</span> *<a name="line.60"></a>
<span class="sourceLineNo">061</span> * @since 2.0<a name="line.61"></a>
<span class="sourceLineNo">062</span> */<a name="line.62"></a>
<span class="sourceLineNo">063</span>public abstract class BaseGenericObjectPool&lt;T&gt; extends BaseObject {<a name="line.63"></a>
<span class="sourceLineNo">064</span><a name="line.64"></a>
<span class="sourceLineNo">065</span>    /**<a name="line.65"></a>
<span class="sourceLineNo">066</span>     * The idle object eviction iterator. Holds a reference to the idle objects.<a name="line.66"></a>
<span class="sourceLineNo">067</span>     */<a name="line.67"></a>
<span class="sourceLineNo">068</span>    class EvictionIterator implements Iterator&lt;PooledObject&lt;T&gt;&gt; {<a name="line.68"></a>
<span class="sourceLineNo">069</span><a name="line.69"></a>
<span class="sourceLineNo">070</span>        private final Deque&lt;PooledObject&lt;T&gt;&gt; idleObjects;<a name="line.70"></a>
<span class="sourceLineNo">071</span>        private final Iterator&lt;PooledObject&lt;T&gt;&gt; idleObjectIterator;<a name="line.71"></a>
<span class="sourceLineNo">072</span><a name="line.72"></a>
<span class="sourceLineNo">073</span>        /**<a name="line.73"></a>
<span class="sourceLineNo">074</span>         * Constructs an EvictionIterator for the provided idle instance deque.<a name="line.74"></a>
<span class="sourceLineNo">075</span>         * @param idleObjects underlying deque.<a name="line.75"></a>
<span class="sourceLineNo">076</span>         */<a name="line.76"></a>
<span class="sourceLineNo">077</span>        EvictionIterator(final Deque&lt;PooledObject&lt;T&gt;&gt; idleObjects) {<a name="line.77"></a>
<span class="sourceLineNo">078</span>            this.idleObjects = idleObjects;<a name="line.78"></a>
<span class="sourceLineNo">079</span><a name="line.79"></a>
<span class="sourceLineNo">080</span>            if (getLifo()) {<a name="line.80"></a>
<span class="sourceLineNo">081</span>                idleObjectIterator = idleObjects.descendingIterator();<a name="line.81"></a>
<span class="sourceLineNo">082</span>            } else {<a name="line.82"></a>
<span class="sourceLineNo">083</span>                idleObjectIterator = idleObjects.iterator();<a name="line.83"></a>
<span class="sourceLineNo">084</span>            }<a name="line.84"></a>
<span class="sourceLineNo">085</span>        }<a name="line.85"></a>
<span class="sourceLineNo">086</span><a name="line.86"></a>
<span class="sourceLineNo">087</span>        /**<a name="line.87"></a>
<span class="sourceLineNo">088</span>         * Gets the idle object deque referenced by this iterator.<a name="line.88"></a>
<span class="sourceLineNo">089</span>         * @return the idle object deque<a name="line.89"></a>
<span class="sourceLineNo">090</span>         */<a name="line.90"></a>
<span class="sourceLineNo">091</span>        public Deque&lt;PooledObject&lt;T&gt;&gt; getIdleObjects() {<a name="line.91"></a>
<span class="sourceLineNo">092</span>            return idleObjects;<a name="line.92"></a>
<span class="sourceLineNo">093</span>        }<a name="line.93"></a>
<span class="sourceLineNo">094</span><a name="line.94"></a>
<span class="sourceLineNo">095</span>        /** {@inheritDoc} */<a name="line.95"></a>
<span class="sourceLineNo">096</span>        @Override<a name="line.96"></a>
<span class="sourceLineNo">097</span>        public boolean hasNext() {<a name="line.97"></a>
<span class="sourceLineNo">098</span>            return idleObjectIterator.hasNext();<a name="line.98"></a>
<span class="sourceLineNo">099</span>        }<a name="line.99"></a>
<span class="sourceLineNo">100</span><a name="line.100"></a>
<span class="sourceLineNo">101</span>        /** {@inheritDoc} */<a name="line.101"></a>
<span class="sourceLineNo">102</span>        @Override<a name="line.102"></a>
<span class="sourceLineNo">103</span>        public PooledObject&lt;T&gt; next() {<a name="line.103"></a>
<span class="sourceLineNo">104</span>            return idleObjectIterator.next();<a name="line.104"></a>
<span class="sourceLineNo">105</span>        }<a name="line.105"></a>
<span class="sourceLineNo">106</span><a name="line.106"></a>
<span class="sourceLineNo">107</span>        /** {@inheritDoc} */<a name="line.107"></a>
<span class="sourceLineNo">108</span>        @Override<a name="line.108"></a>
<span class="sourceLineNo">109</span>        public void remove() {<a name="line.109"></a>
<span class="sourceLineNo">110</span>            idleObjectIterator.remove();<a name="line.110"></a>
<span class="sourceLineNo">111</span>        }<a name="line.111"></a>
<span class="sourceLineNo">112</span><a name="line.112"></a>
<span class="sourceLineNo">113</span>    }<a name="line.113"></a>
<span class="sourceLineNo">114</span><a name="line.114"></a>
<span class="sourceLineNo">115</span>    /**<a name="line.115"></a>
<span class="sourceLineNo">116</span>     * The idle object evictor {@link TimerTask}.<a name="line.116"></a>
<span class="sourceLineNo">117</span>     *<a name="line.117"></a>
<span class="sourceLineNo">118</span>     * @see GenericKeyedObjectPool#setTimeBetweenEvictionRunsMillis<a name="line.118"></a>
<span class="sourceLineNo">119</span>     */<a name="line.119"></a>
<span class="sourceLineNo">120</span>    class Evictor implements Runnable {<a name="line.120"></a>
<span class="sourceLineNo">121</span><a name="line.121"></a>
<span class="sourceLineNo">122</span>        private ScheduledFuture&lt;?&gt; scheduledFuture;<a name="line.122"></a>
<span class="sourceLineNo">123</span><a name="line.123"></a>
<span class="sourceLineNo">124</span>        /**<a name="line.124"></a>
<span class="sourceLineNo">125</span>         * Cancels the scheduled future.<a name="line.125"></a>
<span class="sourceLineNo">126</span>         */<a name="line.126"></a>
<span class="sourceLineNo">127</span>        void cancel() {<a name="line.127"></a>
<span class="sourceLineNo">128</span>            scheduledFuture.cancel(false);<a name="line.128"></a>
<span class="sourceLineNo">129</span>        }<a name="line.129"></a>
<span class="sourceLineNo">130</span><a name="line.130"></a>
<span class="sourceLineNo">131</span><a name="line.131"></a>
<span class="sourceLineNo">132</span>        /**<a name="line.132"></a>
<span class="sourceLineNo">133</span>         * Run pool maintenance.  Evict objects qualifying for eviction and then<a name="line.133"></a>
<span class="sourceLineNo">134</span>         * ensure that the minimum number of idle instances are available.<a name="line.134"></a>
<span class="sourceLineNo">135</span>         * Since the Timer that invokes Evictors is shared for all Pools but<a name="line.135"></a>
<span class="sourceLineNo">136</span>         * pools may exist in different class loaders, the Evictor ensures that<a name="line.136"></a>
<span class="sourceLineNo">137</span>         * any actions taken are under the class loader of the factory<a name="line.137"></a>
<span class="sourceLineNo">138</span>         * associated with the pool.<a name="line.138"></a>
<span class="sourceLineNo">139</span>         */<a name="line.139"></a>
<span class="sourceLineNo">140</span>        @Override<a name="line.140"></a>
<span class="sourceLineNo">141</span>        public void run() {<a name="line.141"></a>
<span class="sourceLineNo">142</span>            final ClassLoader savedClassLoader =<a name="line.142"></a>
<span class="sourceLineNo">143</span>                    Thread.currentThread().getContextClassLoader();<a name="line.143"></a>
<span class="sourceLineNo">144</span>            try {<a name="line.144"></a>
<span class="sourceLineNo">145</span>                if (factoryClassLoader != null) {<a name="line.145"></a>
<span class="sourceLineNo">146</span>                    // Set the class loader for the factory<a name="line.146"></a>
<span class="sourceLineNo">147</span>                    final ClassLoader cl = factoryClassLoader.get();<a name="line.147"></a>
<span class="sourceLineNo">148</span>                    if (cl == null) {<a name="line.148"></a>
<span class="sourceLineNo">149</span>                        // The pool has been dereferenced and the class loader<a name="line.149"></a>
<span class="sourceLineNo">150</span>                        // GC'd. Cancel this timer so the pool can be GC'd as<a name="line.150"></a>
<span class="sourceLineNo">151</span>                        // well.<a name="line.151"></a>
<span class="sourceLineNo">152</span>                        cancel();<a name="line.152"></a>
<span class="sourceLineNo">153</span>                        return;<a name="line.153"></a>
<span class="sourceLineNo">154</span>                    }<a name="line.154"></a>
<span class="sourceLineNo">155</span>                    Thread.currentThread().setContextClassLoader(cl);<a name="line.155"></a>
<span class="sourceLineNo">156</span>                }<a name="line.156"></a>
<span class="sourceLineNo">157</span><a name="line.157"></a>
<span class="sourceLineNo">158</span>                // Evict from the pool<a name="line.158"></a>
<span class="sourceLineNo">159</span>                try {<a name="line.159"></a>
<span class="sourceLineNo">160</span>                    evict();<a name="line.160"></a>
<span class="sourceLineNo">161</span>                } catch(final Exception e) {<a name="line.161"></a>
<span class="sourceLineNo">162</span>                    swallowException(e);<a name="line.162"></a>
<span class="sourceLineNo">163</span>                } catch(final OutOfMemoryError oome) {<a name="line.163"></a>
<span class="sourceLineNo">164</span>                    // Log problem but give evictor thread a chance to continue<a name="line.164"></a>
<span class="sourceLineNo">165</span>                    // in case error is recoverable<a name="line.165"></a>
<span class="sourceLineNo">166</span>                    oome.printStackTrace(System.err);<a name="line.166"></a>
<span class="sourceLineNo">167</span>                }<a name="line.167"></a>
<span class="sourceLineNo">168</span>                // Re-create idle instances.<a name="line.168"></a>
<span class="sourceLineNo">169</span>                try {<a name="line.169"></a>
<span class="sourceLineNo">170</span>                    ensureMinIdle();<a name="line.170"></a>
<span class="sourceLineNo">171</span>                } catch (final Exception e) {<a name="line.171"></a>
<span class="sourceLineNo">172</span>                    swallowException(e);<a name="line.172"></a>
<span class="sourceLineNo">173</span>                }<a name="line.173"></a>
<span class="sourceLineNo">174</span>            } finally {<a name="line.174"></a>
<span class="sourceLineNo">175</span>                // Restore the previous CCL<a name="line.175"></a>
<span class="sourceLineNo">176</span>                Thread.currentThread().setContextClassLoader(savedClassLoader);<a name="line.176"></a>
<span class="sourceLineNo">177</span>            }<a name="line.177"></a>
<span class="sourceLineNo">178</span>        }<a name="line.178"></a>
<span class="sourceLineNo">179</span><a name="line.179"></a>
<span class="sourceLineNo">180</span><a name="line.180"></a>
<span class="sourceLineNo">181</span>        /**<a name="line.181"></a>
<span class="sourceLineNo">182</span>         * Sets the scheduled future.<a name="line.182"></a>
<span class="sourceLineNo">183</span>         *<a name="line.183"></a>
<span class="sourceLineNo">184</span>         * @param scheduledFuture the scheduled future.<a name="line.184"></a>
<span class="sourceLineNo">185</span>         */<a name="line.185"></a>
<span class="sourceLineNo">186</span>        void setScheduledFuture(final ScheduledFuture&lt;?&gt; scheduledFuture) {<a name="line.186"></a>
<span class="sourceLineNo">187</span>            this.scheduledFuture = scheduledFuture;<a name="line.187"></a>
<span class="sourceLineNo">188</span>        }<a name="line.188"></a>
<span class="sourceLineNo">189</span><a name="line.189"></a>
<span class="sourceLineNo">190</span>    }<a name="line.190"></a>
<span class="sourceLineNo">191</span><a name="line.191"></a>
<span class="sourceLineNo">192</span>    /**<a name="line.192"></a>
<span class="sourceLineNo">193</span>     * Wrapper for objects under management by the pool.<a name="line.193"></a>
<span class="sourceLineNo">194</span>     *<a name="line.194"></a>
<span class="sourceLineNo">195</span>     * GenericObjectPool and GenericKeyedObjectPool maintain references to all<a name="line.195"></a>
<span class="sourceLineNo">196</span>     * objects under management using maps keyed on the objects. This wrapper<a name="line.196"></a>
<span class="sourceLineNo">197</span>     * class ensures that objects can work as hash keys.<a name="line.197"></a>
<span class="sourceLineNo">198</span>     *<a name="line.198"></a>
<span class="sourceLineNo">199</span>     * @param &lt;T&gt; type of objects in the pool<a name="line.199"></a>
<span class="sourceLineNo">200</span>     */<a name="line.200"></a>
<span class="sourceLineNo">201</span>    static class IdentityWrapper&lt;T&gt; {<a name="line.201"></a>
<span class="sourceLineNo">202</span>        /** Wrapped object */<a name="line.202"></a>
<span class="sourceLineNo">203</span>        private final T instance;<a name="line.203"></a>
<span class="sourceLineNo">204</span><a name="line.204"></a>
<span class="sourceLineNo">205</span>        /**<a name="line.205"></a>
<span class="sourceLineNo">206</span>         * Constructs a wrapper for an instance.<a name="line.206"></a>
<span class="sourceLineNo">207</span>         *<a name="line.207"></a>
<span class="sourceLineNo">208</span>         * @param instance object to wrap<a name="line.208"></a>
<span class="sourceLineNo">209</span>         */<a name="line.209"></a>
<span class="sourceLineNo">210</span>        public IdentityWrapper(final T instance) {<a name="line.210"></a>
<span class="sourceLineNo">211</span>            this.instance = instance;<a name="line.211"></a>
<span class="sourceLineNo">212</span>        }<a name="line.212"></a>
<span class="sourceLineNo">213</span><a name="line.213"></a>
<span class="sourceLineNo">214</span>        @Override<a name="line.214"></a>
<span class="sourceLineNo">215</span>        @SuppressWarnings("rawtypes")<a name="line.215"></a>
<span class="sourceLineNo">216</span>        public boolean equals(final Object other) {<a name="line.216"></a>
<span class="sourceLineNo">217</span>            return other instanceof IdentityWrapper &amp;&amp; ((IdentityWrapper) other).instance == instance;<a name="line.217"></a>
<span class="sourceLineNo">218</span>        }<a name="line.218"></a>
<span class="sourceLineNo">219</span><a name="line.219"></a>
<span class="sourceLineNo">220</span>        /**<a name="line.220"></a>
<span class="sourceLineNo">221</span>         * @return the wrapped object<a name="line.221"></a>
<span class="sourceLineNo">222</span>         */<a name="line.222"></a>
<span class="sourceLineNo">223</span>        public T getObject() {<a name="line.223"></a>
<span class="sourceLineNo">224</span>            return instance;<a name="line.224"></a>
<span class="sourceLineNo">225</span>        }<a name="line.225"></a>
<span class="sourceLineNo">226</span><a name="line.226"></a>
<span class="sourceLineNo">227</span>        @Override<a name="line.227"></a>
<span class="sourceLineNo">228</span>        public int hashCode() {<a name="line.228"></a>
<span class="sourceLineNo">229</span>            return System.identityHashCode(instance);<a name="line.229"></a>
<span class="sourceLineNo">230</span>        }<a name="line.230"></a>
<span class="sourceLineNo">231</span><a name="line.231"></a>
<span class="sourceLineNo">232</span>        @Override<a name="line.232"></a>
<span class="sourceLineNo">233</span>        public String toString() {<a name="line.233"></a>
<span class="sourceLineNo">234</span>            final StringBuilder builder = new StringBuilder();<a name="line.234"></a>
<span class="sourceLineNo">235</span>            builder.append("IdentityWrapper [instance=");<a name="line.235"></a>
<span class="sourceLineNo">236</span>            builder.append(instance);<a name="line.236"></a>
<span class="sourceLineNo">237</span>            builder.append("]");<a name="line.237"></a>
<span class="sourceLineNo">238</span>            return builder.toString();<a name="line.238"></a>
<span class="sourceLineNo">239</span>        }<a name="line.239"></a>
<span class="sourceLineNo">240</span>    }<a name="line.240"></a>
<span class="sourceLineNo">241</span><a name="line.241"></a>
<span class="sourceLineNo">242</span>    /**<a name="line.242"></a>
<span class="sourceLineNo">243</span>     * Maintains a cache of values for a single metric and reports<a name="line.243"></a>
<span class="sourceLineNo">244</span>     * statistics on the cached values.<a name="line.244"></a>
<span class="sourceLineNo">245</span>     */<a name="line.245"></a>
<span class="sourceLineNo">246</span>    private class StatsStore {<a name="line.246"></a>
<span class="sourceLineNo">247</span><a name="line.247"></a>
<span class="sourceLineNo">248</span>        private static final int NULL = -1;<a name="line.248"></a>
<span class="sourceLineNo">249</span>        private final AtomicLong[] values;<a name="line.249"></a>
<span class="sourceLineNo">250</span>        private final int size;<a name="line.250"></a>
<span class="sourceLineNo">251</span>        private int index;<a name="line.251"></a>
<span class="sourceLineNo">252</span><a name="line.252"></a>
<span class="sourceLineNo">253</span>        /**<a name="line.253"></a>
<span class="sourceLineNo">254</span>         * Constructs a StatsStore with the given cache size.<a name="line.254"></a>
<span class="sourceLineNo">255</span>         *<a name="line.255"></a>
<span class="sourceLineNo">256</span>         * @param size number of values to maintain in the cache.<a name="line.256"></a>
<span class="sourceLineNo">257</span>         */<a name="line.257"></a>
<span class="sourceLineNo">258</span>        StatsStore(final int size) {<a name="line.258"></a>
<span class="sourceLineNo">259</span>            this.size = size;<a name="line.259"></a>
<span class="sourceLineNo">260</span>            values = new AtomicLong[size];<a name="line.260"></a>
<span class="sourceLineNo">261</span>            for (int i = 0; i &lt; size; i++) {<a name="line.261"></a>
<span class="sourceLineNo">262</span>                values[i] = new AtomicLong(NULL);<a name="line.262"></a>
<span class="sourceLineNo">263</span>            }<a name="line.263"></a>
<span class="sourceLineNo">264</span>        }<a name="line.264"></a>
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<span class="sourceLineNo">773</span>     * &lt;/p&gt;<a name="line.773"></a>
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<span class="sourceLineNo">819</span>     * Gets the minimum amount of time an object may sit idle in the pool<a name="line.819"></a>
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<span class="sourceLineNo">836</span>    /**<a name="line.836"></a>
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<span class="sourceLineNo">844</span>     * of the idle object evictor thread. When positive, the number of tests<a name="line.844"></a>
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<span class="sourceLineNo">846</span>     * number of idle instances in the pool. When negative, the number of tests<a name="line.846"></a>
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<span class="sourceLineNo">850</span>     * tested per run.<a name="line.850"></a>
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<span class="sourceLineNo">863</span>     * from this pool.<a name="line.863"></a>
<span class="sourceLineNo">864</span>     *<a name="line.864"></a>
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<span class="sourceLineNo">867</span>     *<a name="line.867"></a>
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<span class="sourceLineNo">877</span>     * Gets whether a check is made for abandoned objects when the evictor runs.<a name="line.877"></a>
<span class="sourceLineNo">878</span>     *<a name="line.878"></a>
<span class="sourceLineNo">879</span>     * @return {@code true} if abandoned object removal is configured to be<a name="line.879"></a>
<span class="sourceLineNo">880</span>     *         activated when the evictor runs otherwise {@code false}<a name="line.880"></a>
<span class="sourceLineNo">881</span>     *<a name="line.881"></a>
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<span class="sourceLineNo">891</span>     * Gets the timeout before which an object will be considered to be<a name="line.891"></a>
<span class="sourceLineNo">892</span>     * abandoned by this pool.<a name="line.892"></a>
<span class="sourceLineNo">893</span>     *<a name="line.893"></a>
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<span class="sourceLineNo">895</span>     *         removal is configured for this pool; Integer.MAX_VALUE otherwise.<a name="line.895"></a>
<span class="sourceLineNo">896</span>     *<a name="line.896"></a>
<span class="sourceLineNo">897</span>     * @see AbandonedConfig#getRemoveAbandonedTimeoutDuration()<a name="line.897"></a>
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<span class="sourceLineNo">908</span>     * Gets the timeout before which an object will be considered to be<a name="line.908"></a>
<span class="sourceLineNo">909</span>     * abandoned by this pool.<a name="line.909"></a>
<span class="sourceLineNo">910</span>     *<a name="line.910"></a>
<span class="sourceLineNo">911</span>     * @return The abandoned object timeout in seconds if abandoned object<a name="line.911"></a>
<span class="sourceLineNo">912</span>     *         removal is configured for this pool; Integer.MAX_VALUE otherwise.<a name="line.912"></a>
<span class="sourceLineNo">913</span>     *<a name="line.913"></a>
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<span class="sourceLineNo">922</span>    /**<a name="line.922"></a>
<span class="sourceLineNo">923</span>     * The total number of objects returned to this pool over the lifetime of<a name="line.923"></a>
<span class="sourceLineNo">924</span>     * the pool. This excludes attempts to return the same object multiple<a name="line.924"></a>
<span class="sourceLineNo">925</span>     * times.<a name="line.925"></a>
<span class="sourceLineNo">926</span>     * @return the returned object count<a name="line.926"></a>
<span class="sourceLineNo">927</span>     */<a name="line.927"></a>
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<span class="sourceLineNo">932</span>    /**<a name="line.932"></a>
<span class="sourceLineNo">933</span>     * Gets the minimum amount of time an object may sit idle in the pool<a name="line.933"></a>
<span class="sourceLineNo">934</span>     * before it is eligible for eviction by the idle object evictor (if any -<a name="line.934"></a>
<span class="sourceLineNo">935</span>     * see {@link #setTimeBetweenEvictionRuns(Duration)}),<a name="line.935"></a>
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<span class="sourceLineNo">937</span>     * instances remain in the pool. This setting is overridden by<a name="line.937"></a>
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<span class="sourceLineNo">941</span>     *<a name="line.941"></a>
<span class="sourceLineNo">942</span>     * @return minimum amount of time an object may sit idle in the pool before<a name="line.942"></a>
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<span class="sourceLineNo">944</span>     *<a name="line.944"></a>
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<span class="sourceLineNo">953</span>     * Gets the minimum amount of time an object may sit idle in the pool<a name="line.953"></a>
<span class="sourceLineNo">954</span>     * before it is eligible for eviction by the idle object evictor (if any -<a name="line.954"></a>
<span class="sourceLineNo">955</span>     * see {@link #setTimeBetweenEvictionRuns(Duration)}),<a name="line.955"></a>
<span class="sourceLineNo">956</span>     * with the extra condition that at least {@code minIdle} object<a name="line.956"></a>
<span class="sourceLineNo">957</span>     * instances remain in the pool. This setting is overridden by<a name="line.957"></a>
<span class="sourceLineNo">958</span>     * {@link #getMinEvictableIdleTime} (that is, if<a name="line.958"></a>
<span class="sourceLineNo">959</span>     * {@link #getMinEvictableIdleTime} is positive, then<a name="line.959"></a>
<span class="sourceLineNo">960</span>     * {@link #getSoftMinEvictableIdleTime} is ignored).<a name="line.960"></a>
<span class="sourceLineNo">961</span>     *<a name="line.961"></a>
<span class="sourceLineNo">962</span>     * @return minimum amount of time an object may sit idle in the pool before<a name="line.962"></a>
<span class="sourceLineNo">963</span>     *         it is eligible for eviction if minIdle instances are available<a name="line.963"></a>
<span class="sourceLineNo">964</span>     *<a name="line.964"></a>
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<span class="sourceLineNo">966</span>     * @since 2.10.0<a name="line.966"></a>
<span class="sourceLineNo">967</span>     * @deprecated Use {@link #getSoftMinEvictableIdleDuration}.<a name="line.967"></a>
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<span class="sourceLineNo">974</span>    /**<a name="line.974"></a>
<span class="sourceLineNo">975</span>     * Gets the minimum amount of time an object may sit idle in the pool<a name="line.975"></a>
<span class="sourceLineNo">976</span>     * before it is eligible for eviction by the idle object evictor (if any -<a name="line.976"></a>
<span class="sourceLineNo">977</span>     * see {@link #setTimeBetweenEvictionRunsMillis(long)}),<a name="line.977"></a>
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<span class="sourceLineNo">979</span>     * instances remain in the pool. This setting is overridden by<a name="line.979"></a>
<span class="sourceLineNo">980</span>     * {@link #getMinEvictableIdleTimeMillis} (that is, if<a name="line.980"></a>
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<span class="sourceLineNo">983</span>     *<a name="line.983"></a>
<span class="sourceLineNo">984</span>     * @return minimum amount of time an object may sit idle in the pool before<a name="line.984"></a>
<span class="sourceLineNo">985</span>     *         it is eligible for eviction if minIdle instances are available<a name="line.985"></a>
<span class="sourceLineNo">986</span>     *<a name="line.986"></a>
<span class="sourceLineNo">987</span>     * @see #setSoftMinEvictableIdleTimeMillis<a name="line.987"></a>
<span class="sourceLineNo">988</span>     * @deprecated Use {@link #getSoftMinEvictableIdleTime()}.<a name="line.988"></a>
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<span class="sourceLineNo">995</span>    /**<a name="line.995"></a>
<span class="sourceLineNo">996</span>     * Gets the stack trace of an exception as a string.<a name="line.996"></a>
<span class="sourceLineNo">997</span>     * @param e exception to trace<a name="line.997"></a>
<span class="sourceLineNo">998</span>     * @return exception stack trace as a string<a name="line.998"></a>
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<span class="sourceLineNo">1002</span>        // references to classes in the stack trace that could trigger a memory<a name="line.1002"></a>
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<span class="sourceLineNo">1031</span>     * unavoidably swallowed by the pool.<a name="line.1031"></a>
<span class="sourceLineNo">1032</span>     *<a name="line.1032"></a>
<span class="sourceLineNo">1033</span>     * @return The listener or {@code null} for no listener<a name="line.1033"></a>
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<span class="sourceLineNo">1046</span>     *<a name="line.1046"></a>
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<span class="sourceLineNo">1075</span>     * Gets whether objects borrowed from the pool will be validated when<a name="line.1075"></a>
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<span class="sourceLineNo">1092</span>     * idle object evictor (if any - see<a name="line.1092"></a>
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<span class="sourceLineNo">1126</span>     * @return number of milliseconds to sleep between evictor runs<a name="line.1126"></a>
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<span class="sourceLineNo">1141</span>     *<a name="line.1141"></a>
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<span class="sourceLineNo">1156</span>     *<a name="line.1156"></a>
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<span class="sourceLineNo">1175</span>     * The registered name will be<a name="line.1175"></a>
<span class="sourceLineNo">1176</span>     * {@code jmxNameBase + jmxNamePrefix + i} where i is the least<a name="line.1176"></a>
<span class="sourceLineNo">1177</span>     * integer greater than or equal to 1 such that the name is not already<a name="line.1177"></a>
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<span class="sourceLineNo">1180</span>     *<a name="line.1180"></a>
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<span class="sourceLineNo">1245</span>     * Marks the object as returning to the pool.<a name="line.1245"></a>
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<span class="sourceLineNo">1262</span>     * @see AbandonedConfig<a name="line.1262"></a>
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<span class="sourceLineNo">1272</span>     * objects has been reached).<a name="line.1272"></a>
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<span class="sourceLineNo">1285</span>     * Initializes the receiver with the given configuration.<a name="line.1285"></a>
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<span class="sourceLineNo">1295</span>        setTestOnReturn(config.getTestOnReturn());<a name="line.1295"></a>
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<span class="sourceLineNo">1297</span>        setNumTestsPerEvictionRun(config.getNumTestsPerEvictionRun());<a name="line.1297"></a>
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<span class="sourceLineNo">1299</span>        setTimeBetweenEvictionRuns(config.getDurationBetweenEvictionRuns());<a name="line.1299"></a>
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<span class="sourceLineNo">1306</span>            // Otherwise, use the class (2.6.0 feature)<a name="line.1306"></a>
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<span class="sourceLineNo">1312</span>    /**<a name="line.1312"></a>
<span class="sourceLineNo">1313</span>     * Sets the eviction policy for this pool.<a name="line.1313"></a>
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<span class="sourceLineNo">1315</span>     * @param evictionPolicy<a name="line.1315"></a>
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<span class="sourceLineNo">1323</span>    /**<a name="line.1323"></a>
<span class="sourceLineNo">1324</span>     * Sets the eviction policy.<a name="line.1324"></a>
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<span class="sourceLineNo">1326</span>     * @param className Eviction policy class name.<a name="line.1326"></a>
<span class="sourceLineNo">1327</span>     * @param classLoader Load the class from this class loader.<a name="line.1327"></a>
<span class="sourceLineNo">1328</span>     */<a name="line.1328"></a>
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<span class="sourceLineNo">1337</span>    /**<a name="line.1337"></a>
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<span class="sourceLineNo">1342</span>     * @param evictionPolicyClassName<a name="line.1342"></a>
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<span class="sourceLineNo">1357</span>     *<a name="line.1357"></a>
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<span class="sourceLineNo">1390</span>     * only pool still using the the value for the Evictor.<a name="line.1390"></a>
<span class="sourceLineNo">1391</span>     *<a name="line.1391"></a>
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<span class="sourceLineNo">1403</span>     *<a name="line.1403"></a>
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<span class="sourceLineNo">1422</span>     *<a name="line.1422"></a>
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<span class="sourceLineNo">1429</span>    /**<a name="line.1429"></a>
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<span class="sourceLineNo">1433</span>     *<a name="line.1433"></a>
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<span class="sourceLineNo">1437</span>     *<a name="line.1437"></a>
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<span class="sourceLineNo">1446</span>     * {@code borrowObject()} method should block before throwing an<a name="line.1446"></a>
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<span class="sourceLineNo">1450</span>     *<a name="line.1450"></a>
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<span class="sourceLineNo">1454</span>     *<a name="line.1454"></a>
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<span class="sourceLineNo">1465</span>     * {@code borrowObject()} method should block before throwing an<a name="line.1465"></a>
<span class="sourceLineNo">1466</span>     * exception when the pool is exhausted and<a name="line.1466"></a>
<span class="sourceLineNo">1467</span>     * {@link #getBlockWhenExhausted} is true. When less than 0, the<a name="line.1467"></a>
<span class="sourceLineNo">1468</span>     * {@code borrowObject()} method may block indefinitely.<a name="line.1468"></a>
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<span class="sourceLineNo">1474</span>     * @see #getMaxWaitDuration<a name="line.1474"></a>
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<span class="sourceLineNo">1483</span>    /**<a name="line.1483"></a>
<span class="sourceLineNo">1484</span>     * Sets whether to include statistics in exception messages.<a name="line.1484"></a>
<span class="sourceLineNo">1485</span>     * &lt;p&gt;<a name="line.1485"></a>
<span class="sourceLineNo">1486</span>     * Statistics may not accurately reflect snapshot state at the time of the exception because we do not want to lock the pool when gathering this<a name="line.1486"></a>
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<span class="sourceLineNo">1488</span>     * &lt;/p&gt;<a name="line.1488"></a>
<span class="sourceLineNo">1489</span>     *<a name="line.1489"></a>
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<span class="sourceLineNo">1498</span>     * Sets the minimum amount of time an object may sit idle in the pool<a name="line.1498"></a>
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<span class="sourceLineNo">1501</span>     * no objects will be evicted from the pool due to idle time alone.<a name="line.1501"></a>
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<span class="sourceLineNo">1506</span>     *<a name="line.1506"></a>
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<span class="sourceLineNo">1516</span>     * Sets the minimum amount of time an object may sit idle in the pool<a name="line.1516"></a>
<span class="sourceLineNo">1517</span>     * before it is eligible for eviction by the idle object evictor (if any -<a name="line.1517"></a>
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<span class="sourceLineNo">1519</span>     * no objects will be evicted from the pool due to idle time alone.<a name="line.1519"></a>
<span class="sourceLineNo">1520</span>     *<a name="line.1520"></a>
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<span class="sourceLineNo">1523</span>     *            before it is eligible for eviction<a name="line.1523"></a>
<span class="sourceLineNo">1524</span>     *<a name="line.1524"></a>
<span class="sourceLineNo">1525</span>     * @see #getMinEvictableIdleTime<a name="line.1525"></a>
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<span class="sourceLineNo">1529</span>     */<a name="line.1529"></a>
<span class="sourceLineNo">1530</span>    @Deprecated<a name="line.1530"></a>
<span class="sourceLineNo">1531</span>    public final void setMinEvictableIdleTime(final Duration minEvictableIdleTime) {<a name="line.1531"></a>
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<span class="sourceLineNo">1535</span>    /**<a name="line.1535"></a>
<span class="sourceLineNo">1536</span>     * Sets the minimum amount of time an object may sit idle in the pool<a name="line.1536"></a>
<span class="sourceLineNo">1537</span>     * before it is eligible for eviction by the idle object evictor (if any -<a name="line.1537"></a>
<span class="sourceLineNo">1538</span>     * see {@link #setTimeBetweenEvictionRunsMillis(long)}). When non-positive,<a name="line.1538"></a>
<span class="sourceLineNo">1539</span>     * no objects will be evicted from the pool due to idle time alone.<a name="line.1539"></a>
<span class="sourceLineNo">1540</span>     *<a name="line.1540"></a>
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<span class="sourceLineNo">1542</span>     *            minimum amount of time an object may sit idle in the pool<a name="line.1542"></a>
<span class="sourceLineNo">1543</span>     *            before it is eligible for eviction<a name="line.1543"></a>
<span class="sourceLineNo">1544</span>     *<a name="line.1544"></a>
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<span class="sourceLineNo">1546</span>     * @see #setTimeBetweenEvictionRunsMillis<a name="line.1546"></a>
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<span class="sourceLineNo">1549</span>    @Deprecated<a name="line.1549"></a>
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<span class="sourceLineNo">1555</span>     * Sets the maximum number of objects to examine during each run (if any)<a name="line.1555"></a>
<span class="sourceLineNo">1556</span>     * of the idle object evictor thread. When positive, the number of tests<a name="line.1556"></a>
<span class="sourceLineNo">1557</span>     * performed for a run will be the minimum of the configured value and the<a name="line.1557"></a>
<span class="sourceLineNo">1558</span>     * number of idle instances in the pool. When negative, the number of tests<a name="line.1558"></a>
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<span class="sourceLineNo">1561</span>     * value is {@code -n} roughly one nth of the idle objects will be<a name="line.1561"></a>
<span class="sourceLineNo">1562</span>     * tested per run.<a name="line.1562"></a>
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<span class="sourceLineNo">1564</span>     * @param numTestsPerEvictionRun<a name="line.1564"></a>
<span class="sourceLineNo">1565</span>     *            max number of objects to examine during each evictor run<a name="line.1565"></a>
<span class="sourceLineNo">1566</span>     *<a name="line.1566"></a>
<span class="sourceLineNo">1567</span>     * @see #getNumTestsPerEvictionRun<a name="line.1567"></a>
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<span class="sourceLineNo">1574</span>    /**<a name="line.1574"></a>
<span class="sourceLineNo">1575</span>     * Sets the minimum amount of time an object may sit idle in the pool<a name="line.1575"></a>
<span class="sourceLineNo">1576</span>     * before it is eligible for eviction by the idle object evictor (if any -<a name="line.1576"></a>
<span class="sourceLineNo">1577</span>     * see {@link #setTimeBetweenEvictionRuns(Duration)}),<a name="line.1577"></a>
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<span class="sourceLineNo">1579</span>     * instances remain in the pool. This setting is overridden by<a name="line.1579"></a>
<span class="sourceLineNo">1580</span>     * {@link #getMinEvictableIdleTime} (that is, if<a name="line.1580"></a>
<span class="sourceLineNo">1581</span>     * {@link #getMinEvictableIdleTime} is positive, then<a name="line.1581"></a>
<span class="sourceLineNo">1582</span>     * {@link #getSoftMinEvictableIdleTime} is ignored).<a name="line.1582"></a>
<span class="sourceLineNo">1583</span>     *<a name="line.1583"></a>
<span class="sourceLineNo">1584</span>     * @param softMinEvictableIdleTime<a name="line.1584"></a>
<span class="sourceLineNo">1585</span>     *            minimum amount of time an object may sit idle in the pool<a name="line.1585"></a>
<span class="sourceLineNo">1586</span>     *            before it is eligible for eviction if minIdle instances are<a name="line.1586"></a>
<span class="sourceLineNo">1587</span>     *            available<a name="line.1587"></a>
<span class="sourceLineNo">1588</span>     *<a name="line.1588"></a>
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<span class="sourceLineNo">1590</span>     * @since 2.11.0<a name="line.1590"></a>
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<span class="sourceLineNo">1596</span>    /**<a name="line.1596"></a>
<span class="sourceLineNo">1597</span>     * Sets the minimum amount of time an object may sit idle in the pool<a name="line.1597"></a>
<span class="sourceLineNo">1598</span>     * before it is eligible for eviction by the idle object evictor (if any -<a name="line.1598"></a>
<span class="sourceLineNo">1599</span>     * see {@link #setTimeBetweenEvictionRuns(Duration)}),<a name="line.1599"></a>
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<span class="sourceLineNo">1601</span>     * instances remain in the pool. This setting is overridden by<a name="line.1601"></a>
<span class="sourceLineNo">1602</span>     * {@link #getMinEvictableIdleTime} (that is, if<a name="line.1602"></a>
<span class="sourceLineNo">1603</span>     * {@link #getMinEvictableIdleTime} is positive, then<a name="line.1603"></a>
<span class="sourceLineNo">1604</span>     * {@link #getSoftMinEvictableIdleTime} is ignored).<a name="line.1604"></a>
<span class="sourceLineNo">1605</span>     *<a name="line.1605"></a>
<span class="sourceLineNo">1606</span>     * @param softMinEvictableIdleTime<a name="line.1606"></a>
<span class="sourceLineNo">1607</span>     *            minimum amount of time an object may sit idle in the pool<a name="line.1607"></a>
<span class="sourceLineNo">1608</span>     *            before it is eligible for eviction if minIdle instances are<a name="line.1608"></a>
<span class="sourceLineNo">1609</span>     *            available<a name="line.1609"></a>
<span class="sourceLineNo">1610</span>     *<a name="line.1610"></a>
<span class="sourceLineNo">1611</span>     * @see #getSoftMinEvictableIdleTimeMillis<a name="line.1611"></a>
<span class="sourceLineNo">1612</span>     * @since 2.10.0<a name="line.1612"></a>
<span class="sourceLineNo">1613</span>     * @deprecated Use {@link #setSoftMinEvictableIdle(Duration)}.<a name="line.1613"></a>
<span class="sourceLineNo">1614</span>     */<a name="line.1614"></a>
<span class="sourceLineNo">1615</span>    @Deprecated<a name="line.1615"></a>
<span class="sourceLineNo">1616</span>    public final void setSoftMinEvictableIdleTime(final Duration softMinEvictableIdleTime) {<a name="line.1616"></a>
<span class="sourceLineNo">1617</span>        this.softMinEvictableIdleDuration = PoolImplUtils.nonNull(softMinEvictableIdleTime, BaseObjectPoolConfig.DEFAULT_SOFT_MIN_EVICTABLE_IDLE_DURATION);<a name="line.1617"></a>
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<span class="sourceLineNo">1619</span><a name="line.1619"></a>
<span class="sourceLineNo">1620</span>    /**<a name="line.1620"></a>
<span class="sourceLineNo">1621</span>     * Sets the minimum amount of time an object may sit idle in the pool<a name="line.1621"></a>
<span class="sourceLineNo">1622</span>     * before it is eligible for eviction by the idle object evictor (if any -<a name="line.1622"></a>
<span class="sourceLineNo">1623</span>     * see {@link #setTimeBetweenEvictionRunsMillis(long)}),<a name="line.1623"></a>
<span class="sourceLineNo">1624</span>     * with the extra condition that at least {@code minIdle} object<a name="line.1624"></a>
<span class="sourceLineNo">1625</span>     * instances remain in the pool. This setting is overridden by<a name="line.1625"></a>
<span class="sourceLineNo">1626</span>     * {@link #getMinEvictableIdleTimeMillis} (that is, if<a name="line.1626"></a>
<span class="sourceLineNo">1627</span>     * {@link #getMinEvictableIdleTimeMillis} is positive, then<a name="line.1627"></a>
<span class="sourceLineNo">1628</span>     * {@link #getSoftMinEvictableIdleTimeMillis} is ignored).<a name="line.1628"></a>
<span class="sourceLineNo">1629</span>     *<a name="line.1629"></a>
<span class="sourceLineNo">1630</span>     * @param softMinEvictableIdleTimeMillis<a name="line.1630"></a>
<span class="sourceLineNo">1631</span>     *            minimum amount of time an object may sit idle in the pool<a name="line.1631"></a>
<span class="sourceLineNo">1632</span>     *            before it is eligible for eviction if minIdle instances are<a name="line.1632"></a>
<span class="sourceLineNo">1633</span>     *            available<a name="line.1633"></a>
<span class="sourceLineNo">1634</span>     *<a name="line.1634"></a>
<span class="sourceLineNo">1635</span>     * @see #getSoftMinEvictableIdleTimeMillis<a name="line.1635"></a>
<span class="sourceLineNo">1636</span>     * @deprecated Use {@link #setSoftMinEvictableIdle(Duration)}.<a name="line.1636"></a>
<span class="sourceLineNo">1637</span>     */<a name="line.1637"></a>
<span class="sourceLineNo">1638</span>    @Deprecated<a name="line.1638"></a>
<span class="sourceLineNo">1639</span>    public final void setSoftMinEvictableIdleTimeMillis(final long softMinEvictableIdleTimeMillis) {<a name="line.1639"></a>
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<span class="sourceLineNo">1642</span><a name="line.1642"></a>
<span class="sourceLineNo">1643</span>    /**<a name="line.1643"></a>
<span class="sourceLineNo">1644</span>     * The listener used (if any) to receive notifications of exceptions<a name="line.1644"></a>
<span class="sourceLineNo">1645</span>     * unavoidably swallowed by the pool.<a name="line.1645"></a>
<span class="sourceLineNo">1646</span>     *<a name="line.1646"></a>
<span class="sourceLineNo">1647</span>     * @param swallowedExceptionListener    The listener or {@code null}<a name="line.1647"></a>
<span class="sourceLineNo">1648</span>     *                                      for no listener<a name="line.1648"></a>
<span class="sourceLineNo">1649</span>     */<a name="line.1649"></a>
<span class="sourceLineNo">1650</span>    public final void setSwallowedExceptionListener(<a name="line.1650"></a>
<span class="sourceLineNo">1651</span>            final SwallowedExceptionListener swallowedExceptionListener) {<a name="line.1651"></a>
<span class="sourceLineNo">1652</span>        this.swallowedExceptionListener = swallowedExceptionListener;<a name="line.1652"></a>
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<span class="sourceLineNo">1655</span>    /**<a name="line.1655"></a>
<span class="sourceLineNo">1656</span>     * Sets whether objects borrowed from the pool will be validated before<a name="line.1656"></a>
<span class="sourceLineNo">1657</span>     * being returned from the {@code borrowObject()} method. Validation is<a name="line.1657"></a>
<span class="sourceLineNo">1658</span>     * performed by the {@code validateObject()} method of the factory<a name="line.1658"></a>
<span class="sourceLineNo">1659</span>     * associated with the pool. If the object fails to validate, it will be<a name="line.1659"></a>
<span class="sourceLineNo">1660</span>     * removed from the pool and destroyed, and a new attempt will be made to<a name="line.1660"></a>
<span class="sourceLineNo">1661</span>     * borrow an object from the pool.<a name="line.1661"></a>
<span class="sourceLineNo">1662</span>     *<a name="line.1662"></a>
<span class="sourceLineNo">1663</span>     * @param testOnBorrow  {@code true} if objects should be validated<a name="line.1663"></a>
<span class="sourceLineNo">1664</span>     *                      before being returned from the<a name="line.1664"></a>
<span class="sourceLineNo">1665</span>     *                      {@code borrowObject()} method<a name="line.1665"></a>
<span class="sourceLineNo">1666</span>     *<a name="line.1666"></a>
<span class="sourceLineNo">1667</span>     * @see #getTestOnBorrow<a name="line.1667"></a>
<span class="sourceLineNo">1668</span>     */<a name="line.1668"></a>
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<span class="sourceLineNo">1672</span><a name="line.1672"></a>
<span class="sourceLineNo">1673</span>    /**<a name="line.1673"></a>
<span class="sourceLineNo">1674</span>     * Sets whether objects created for the pool will be validated before<a name="line.1674"></a>
<span class="sourceLineNo">1675</span>     * being returned from the {@code borrowObject()} method. Validation is<a name="line.1675"></a>
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<span class="sourceLineNo">1677</span>     * associated with the pool. If the object fails to validate, then<a name="line.1677"></a>
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<span class="sourceLineNo">1904</span>        idleTimes.add(p.getIdleDuration());<a name="line.1904"></a>
<span class="sourceLineNo">1905</span>        waitTimes.add(waitDuration);<a name="line.1905"></a>
<span class="sourceLineNo">1906</span><a name="line.1906"></a>
<span class="sourceLineNo">1907</span>        // lock-free optimistic-locking maximum<a name="line.1907"></a>
<span class="sourceLineNo">1908</span>        Duration currentMaxDuration;<a name="line.1908"></a>
<span class="sourceLineNo">1909</span>        do {<a name="line.1909"></a>
<span class="sourceLineNo">1910</span>            currentMaxDuration = maxBorrowWaitDuration.get();<a name="line.1910"></a>
<span class="sourceLineNo">1911</span>//            if (currentMaxDuration &gt;= waitDuration) {<a name="line.1911"></a>
<span class="sourceLineNo">1912</span>//                break;<a name="line.1912"></a>
<span class="sourceLineNo">1913</span>//            }<a name="line.1913"></a>
<span class="sourceLineNo">1914</span>            if (currentMaxDuration.compareTo(waitDuration) &gt;= 0) {<a name="line.1914"></a>
<span class="sourceLineNo">1915</span>                break;<a name="line.1915"></a>
<span class="sourceLineNo">1916</span>            }<a name="line.1916"></a>
<span class="sourceLineNo">1917</span>        } while (!maxBorrowWaitDuration.compareAndSet(currentMaxDuration, waitDuration));<a name="line.1917"></a>
<span class="sourceLineNo">1918</span>    }<a name="line.1918"></a>
<span class="sourceLineNo">1919</span><a name="line.1919"></a>
<span class="sourceLineNo">1920</span>    /**<a name="line.1920"></a>
<span class="sourceLineNo">1921</span>     * Updates statistics after an object is returned to the pool.<a name="line.1921"></a>
<span class="sourceLineNo">1922</span>     *<a name="line.1922"></a>
<span class="sourceLineNo">1923</span>     * @param activeTime the amount of time (in milliseconds) that the returning<a name="line.1923"></a>
<span class="sourceLineNo">1924</span>     * object was checked out<a name="line.1924"></a>
<span class="sourceLineNo">1925</span>     */<a name="line.1925"></a>
<span class="sourceLineNo">1926</span>    final void updateStatsReturn(final Duration activeTime) {<a name="line.1926"></a>
<span class="sourceLineNo">1927</span>        returnedCount.incrementAndGet();<a name="line.1927"></a>
<span class="sourceLineNo">1928</span>        activeTimes.add(activeTime);<a name="line.1928"></a>
<span class="sourceLineNo">1929</span>    }<a name="line.1929"></a>
<span class="sourceLineNo">1930</span><a name="line.1930"></a>
<span class="sourceLineNo">1931</span><a name="line.1931"></a>
<span class="sourceLineNo">1932</span>}<a name="line.1932"></a>




























































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